Light bulb



FIG. 1 is a perspective view of a first embodiment of a light bulb;

FIG. 2 is a bottom perspective view of the embodiment shown in FIG. 1;

FIG. 3 is a top view of the embodiment shown in FIG. 1, which shows a top view of the light source;

FIG. 4 is a bottom view of the embodiment shown in FIG. 1, which shows a bottom view of the threads;

FIG. 5 is a side view of the embodiment shown in FIG. 1, which shows a view of the light source and the threads;

FIG. 6 is another side view of the embodiment shown in FIG. 1, which shows another view of the light source and the threads;

FIG. 7 is another side view of the embodiment shown in FIG. 1, which shows another view of the light source and the threads; and,

FIG. 8 is another side view of the embodiment shown in FIG. 1, which shows another view of light source and the threads.

The features shown in broken lines are portions of the light forming no part of the claimed design. The features shown in long dash-short dash bolded broken lines indicate the bounds of the claimed design and otherwise form no part of the claimed design. 

CLAIM The ornamental design for a light bulb, as shown and described. 